trans-Permethrin (isomer mix) Back Catalog number: 9432.21-100-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 83542 2-Butanone (Methyl ethyl ketone)-DNPH Price on request 71302 bis(4-Methyl-2-pentyl) phthalate Price on request 92749 Hexafluorobenzene Price on request